2005 Alfa Romeo 159 vs. 2006 Audi A8
To start off, 2006 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 159. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 159 would be higher. At 3,934 cc (8 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (271 HP @ 3750 RPM) has 74 more horse power than 2005 Alfa Romeo 159. (197 HP @ 4000 RPM) In normal driving conditions, 2006 Audi A8 should accelerate faster than 2005 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 310 kg more than 2005 Alfa Romeo 159. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 159. In wet, icy, snow, or gravel driving conditions, 2006 Audi A8 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Audi A8 (650 Nm @ 1800 RPM) has 265 more torque (in Nm) than 2005 Alfa Romeo 159. (385 Nm @ 2000 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 159. 2006 Audi A8 has automatic transmission and 2005 Alfa Romeo 159 has manual transmission. 2005 Alfa Romeo 159 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 159 | 2006 Audi A8 | |
| Make | Alfa Romeo | Audi |
| Model | 159 | A8 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 3934 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 271 HP |
| Engine RPM | 4000 RPM | 3750 RPM |
| Torque | 385 Nm | 650 Nm |
| Torque RPM | 2000 RPM | 1800 RPM |
| Engine Bore Size | 82.1 mm | 81 mm |
| Engine Stroke Size | 90.4 mm | 95.5 mm |
| Engine Compression Ratio | 17.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 8.4 seconds | 6.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1630 kg | 1940 kg |
| Vehicle Length | 4670 mm | 5190 mm |
| Vehicle Width | 1830 mm | 1900 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2600 mm | 3080 mm |
| Fuel Consumption Overall | 6.8 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
